SMTL ID : 1grp.1

REGULATORY AND CATALYTIC MECHANISMS IN ESCHERICHIA COLI ISOCITRATE DEHYDROGENASE: MULTIPLE ROLES FOR N115

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-dimer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 5 residues within 4Å: Chain A: R.129, D.307, D.311 Chain B: D.283 Ligands: ICT.2 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A Metal complexes: B:D.283, A:D.307 MG.3: 5 residues within 4Å: Chain A: D.283 Chain B: R.129, D.307, D.311 Ligands: ICT.4 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A Metal complexes: B:D.307, A:D.283

2 x ICT: ISOCITRIC ACID(Non-covalent)

ICT.2: 12 residues within 4Å: Chain A: S.113, L.115, R.119, R.129, R.153, Y.160, D.307 Chain B: K.230, N.232, I.233, D.283 Ligands: MG.1 8 PLIP interactions: 6 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:S.113, B:K.230 Salt bridges: A:R.119, A:R.119, A:R.129, A:R.153, A:R.153, B:K.230 ICT.4: 12 residues within 4Å: Chain A: K.230, N.232, I.233, D.283 Chain B: S.113, L.115, R.119, R.129, R.153, Y.160, D.307 Ligands: MG.3 9 PLIP interactions: 7 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:S.113, B:Y.160, A:K.230 Salt bridges: B:R.119, B:R.119, B:R.129, B:R.153, B:R.153, A:K.230

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chen, R. et al., Second-site suppression of regulatory phosphorylation in Escherichia coli isocitrate dehydrogenase. Protein Sci. (1996)

Release Date

1996-04-03

Peptides

ISOCITRATE DEHYDROGENASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

ISOCITRATE DEHYDROGENASE